Lincoln Service Parts 1 › Lincoln Electric 9SM27256 OUTLET GUARD, 10HP SILENCER M27256 Lincoln Electric 9SM27256 OUTLET GUARD, 10HP SILENCER M27256 Sale Price: $362.22 Original Price: $416.55 OUTLET GUARD, 10HP SILENCER PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! OUTLET GUARD, 10HP SILENCER PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1